DTC B2325: LIN Communication Bus Malfunction: Procedure

1. Connect Techstream to the DLC3.
2. Turn the ignition switch ON and turn the tester on.
3. Clear the DTCs.
4. Recheck DTCs.
   RESULT
   
   

   Display (DTC output)	Proceed to
   B2325	A
   Other DTCs	B
   No DTC output	C

B → GO TO  DIAGNOSTIC TROUBLE CODE CHART 

C → SYSTEM IS NORMAL 

A: Go to next step 

1. Connect Techstream to the DLC3.
2. Turn the ignition switch ON and turn the tester ON.
3. Read the indication displayed on the tester.
   MAIN BODY
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Communication D-Door Motor	Connection status between power window regulator motor and main body ECU / OK or Stop	OK: Connection Stop: No connection	-

   OK

   OK is displayed on Techstream screen.

OK → REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU) 

NG: Go to next step 

1. Connect Techstream to the DLC3.
2. Turn the ignition switch ON and turn the tester on.
3. Clear the DTCs.
4. Read DTCs.
   RESULT
   
   

   Display (DTC output)	Proceed to
   B2325	A
   No DTC output	B

B → SYSTEM IS NORMAL 

A → REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)